Pneumatic tire tread and buttress



The FIGURE is a perspective view of a pneumatic tire tread and buttress showing our new design it being understood that the pattern is repeated uniformly through the circumference of the tread and buttress and the opposite side is the same as that shown and the broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a penumatic tire tread and buttress, as shown and described. 